venting system

DuraFlex AL (DFAL) aluminum flexible relining for masonry chimney. Use with natural gas or liquid propane category I, draft hood equipped appliances, and appliances tested and listed to use Type B Gas Vent. Applications include: natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications

Applicable Standards
  • UL 1777

    Chimney Liners

  • ULC S635

    Standard for Lining Systems for Existing Masonry or Factory-Built Chimneys and Vents

View on Manufacturer's Website

Google Lens Search · visually similar products

The TEKEN44 product image was analyzed with Google Lens via the TEKEN44 MCP server to find 20 visually similar products from across the web.

We value your privacy. TEKEN44 uses cookies and collects personal data to connect manufacturers, labs, publishers, and clients, improve your experience, and comply with legal requirements. By clicking "Accept", you agree to our Privacy Policy and Terms of Use.